Question

Вставьте нужный компонент

Answer 1

$\displaystyle\tt \boxed{\tt 5b}\overset{:5}{\longrightarrow} \boxed{\tt b} \overset{+6b}{\longrightarrow} \boxed{\tt 7b} \overset{-3b}{\longrightarrow} \boxed{\tt 4b} \overset{:4b}{\longrightarrow} \boxed{\tt 1} \\\\\\ \boxed{\tt 9x}\overset{+3x}{\longrightarrow} \boxed{\tt 12x} \overset{-7x}{\longrightarrow} \boxed{\tt 5x} \overset{\times 3x}{\longrightarrow} \boxed{\tt 15x} \overset{:15}{\longrightarrow} \boxed{\tt x}$